Home / 629,857,345.10-944,786,017.65-572,414,477.90

Finding the Fourth Proportional to 629,857,345.10, 944,786,017.65 and 572,414,477.90

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Solution

The fourth proportional to 629,857,345.10, 944,786,017.65 and 572,414,477.90 is: 858,621,716.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,857,345.10 : 944,786,017.65 = 572,414,477.90 : x
  2. Step 2: Convert to fraction form
    629,857,345.10/944,786,017.65 = 572,414,477.90/x
  3. Step 3: Cross multiply
    629,857,345.10x = 944,786,017.65 × 572,414,477.90
  4. Step 4: Simplify right side
    629,857,345.10x = 540,809,195,020,344,896
  5. Step 5: Solve for x
    x = 540,809,195,020,344,896/629,857,345.10
  6. Step 6: Final answer
    x = 858,621,716.85

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.